Tele Vue Ethos 21mm

Name: Tele Vue Ethos 21mm
Brand: Tele Vue

Tele Vue

Tele Vue Ethos 21mm is a support accessory for making an astrophotography rig easier to operate reliably.

eyepiece midrange

Best Current Offer

Cloud Break Optics

In stock

$1,012.00

Other retailers

Mile High Astronomy (In stock)
$1,012.00
Starizona (In stock)
$1,012.00

Specifications

Optics

Eyepiece type: Ethos eyepiece
Focal length: 21 mm
Apparent field: 100 deg

Mechanical

Barrel size: 2"
Weight: 2.2 lb

Astrophotography Fit

Best as a targeted support piece once the core mount, telescope, and camera are already chosen.

Tele Vue Ethos 21mm is not the centerpiece of the rig, but it can remove a practical source of friction in the field. The right support accessory improves repeatability, cable behavior, or setup speed.

Buy it around a specific failure point or workflow need rather than because it appears in another person's parts list.

Best paired with

A defined imaging workflow with known pain points
Cable-managed field setups and repeatable setup routines
Compatible mounting, power, and control hardware

Not recommended for

Solving core mount, focus, or optical problems indirectly
Minimal visual kits where simplicity is the priority
Rigs where compatibility has not been checked

Where To Buy

Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.

Retailer	Price	Availability	View Offer
Cloud Break Optics Cloud Break Optics	$1,012.00	In stock Updated 11/4/2026	View Offer - $1,012.00
Mile High Astronomy Mile High Astronomy	$1,012.00	In stock Updated 11/4/2026	View Offer - $1,012.00
Starizona Starizona	$1,012.00	In stock Updated 11/4/2026	View Offer - $1,012.00

Price History

Chronological retailer pricing with out-of-stock points shown at reduced opacity.

Cloud Break Optics Mile High Astronomy Starizona